It is no coincidence that the most expensive keywords all revolve around Insurance loans and Mortgages with lawyers and credit following close behind. These results vary slightly between the United States and the United Kingdom. Five Billion dollars every month to save people a few seconds scrolling down the search page and finding their own Lawyer or Attorney to sort out their car insurance claim. Google are making the choice easier. On this blog post you will see adverts showing stuff you have recently searched for. I just checked my Disabled Don Blog and there were adverts for a wheelchair hoist and a disability shower. I had recently searched for both on eBay. Google has some of the best search engines tools and its tentacles manage to get into every thing you ask for on any search engine right across the web. Pay Per Click advertising cost between a few cents or pence per click up to the hundreds of dollars/pounds I mentioned earlier. Some blog authors write their blog posts to draw visitors deliberately with posts with content about high value PPC adverts. So the person will land on their page whilst looking for car insurance and see an ad which will click on.
I must be the worst Blogger for Google because I do not go out of my way to create content on my posts that draw in high revenue clicks. Shame on me because some bloggers can earn small fortunes from adverts on their blogs.